<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
   
   .qt_main {
            margin: 100px auto;
            background-color: #7d8c9358;
            padding: 30px 0;
            animation: box_move linear both;
            animation-timeline: view();
            animation-range: entry 35% cover 35%;
            transition: all 10s;
            border-radius: 50px;
        }

        .qt_main a {
            position: absolute;
            display: block;
            width: 100%;
            height: 100%;
        }

        .qt_main article {
            text-align: center;
            margin-bottom: 20px;
        }

        .bqt_main a {
            text-align: center;
            display: block;
            width: 100%;
            height: 100%;
        }

        .qt_box {
            overflow: hidden;
            position: relative;
            width: 412px;
            height: 232px;
            margin: 0 auto;

        }

        .qt_box .dx_box {
            position: absolute;
            left: 0;
            bottom: -33px;
            width: 100%;
            height: 0;
            color: #eddcdc;
            background-color: #443c465d;
            transition: all 0.3s linear;
            padding: 15px;
        }

        .bfq_box {
            width: 56px;
            height: 56px;
            opacity: 0;
            position: absolute;
            right: 30px;
            bottom: 15%;
            background: url(./pf.png) no-repeat;
            transition: opacity .5s ease-in-out .5s;
        }

        .qt_box:hover .dx_box {
            height: 115%;
        }

        .qt_box:hover .bfq_box {
            opacity: 1;
        }
        .top a {
            display: block;
            position: fixed;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: #fbf6f6cd;
            color: #333;
            z-index: 1;
        }

        .top {
            position: absolute;
            width: 80px;
            height: 80px;
            right: 10px;
            top: 85%;
            text-align: center;
            line-height: 80px;

        }
   
</style>
<body>
    <div">
  
        <div class="qt_box">
            <a href="https://www.bilibili.com/?spm_id_from=333.788.0.0" target="_blank">
                <img src="./yydt.jpg" alt="">
                <div class="dx_box">
                    <h1>她在哪里了</h1>
                    <p>远方的她，正无语凝眸，望眼欲穿.....</p>
                    <div class="bfq_box">
                    </div>
                </div>
            </a>
        </div>

    </div>
</body>
</html>